Timeline story
Natural Bridge sandstone arch
In Powell and Wolfe counties, a 78-foot-long, 65-foot-high arch of Corbin Sandstone (Breathitt Formation, Middle Pennsylvanian) spans a gorge on the Middle Fork of the Red River.
Quartz-rich river sands capped softer Mississippian limestones; Alleghenian uplift and millions of years of freeze–thaw and stream cutting carved the arch. Long a landmark for Indigenous hunters and settlers, the site became a railroad excursion stop in the 1890s and one of Kentucky's original state parks in 1926, beside Red River Gorge and the Daniel Boone National Forest.
Cite this story
Published . Last revised .
Chicago
Snowden, Shannon. "Natural Bridge sandstone arch." Kentucky History Drive. Published September 20, 2026. Last revised October 26, 2026. https://kyhistorydrive.com/stories/natural-bridge-sandstone-arch/.
MLA
Snowden, Shannon. "Natural Bridge sandstone arch." Kentucky History Drive, published 20 Sept. 2026, last revised 26 Oct. 2026, https://kyhistorydrive.com/stories/natural-bridge-sandstone-arch/.
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